.login-main{
  width:350px;
  position: absolute;
  top:50%;
  left:50%;
  margin-top:-150px;
  margin-left:-175px;
}
.user-login-body .layui-form-item {
  position: relative;
}
.user-login-icon {
  position: absolute;
  left: 1px;
  top: 1px;
  width: 38px;
  line-height: 36px;
  text-align: center;
  color: #d2d2d2;
}
.user-login-body .layui-form-item .layui-input {
  padding-left: 38px;
}
.login-head{
  text-align: center;
  margin-bottom:20px;
}
.login-head h2{
  margin-bottom: 10px;
  font-weight: 300;
  font-size: 30px;
  color: #000;
}

.user-login-footer {
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  line-height: 30px;
  padding: 20px;
  text-align: center;
  box-sizing: border-box;
  color: rgba(0,0,0,.5);
}